Flow price: --
c1c2d0c62c926970376819475f34496003a6de5f882ba477fea8349e221e1dc2

Transaction

Hash: c1c2d0c62c926970376819475f34496003a6de5f882ba477fea8349e221e1dc2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c1c2d0c62c926970376819475f34496003a6de5f882ba477fea8349e221e1dc2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c1c2d0c62c926970376819475f34496003a6de5f882ba477fea8349e221e1dc2
Status:
ERROR
Block height:
39920273
Block id:
df1be6963813abc9c914d512c8071cd3ed6ca217f6a965aa1f81663873155d60
Timestamp:
Saturday 29 October 2022 at 09:53:12 UTC
()
Proposer:
Authorizers:
Gas used:
45